Transform your garden borders into works of art by creating a pebble mosaic border using beach pebbles. Collect an assortment of smooth and colorful pebbles during your beachcombing adventures. Arrange the pebbles in a pattern or design of your choice along the edge of your garden bed. Use mortar or adhesive to secure the pebbles in place. The pebble mosaic border will not only add visual interest to your garden but also create a unique focal point. It's a creative way to showcase your beachcombing finds and add a touch of whimsy to your outdoor space.